Advanced Search Queries
+word1 +word2:
the results are pages that contains each word
+word1 word2:
the results are pages that contains "word1" or ("word1" and "word2")
+word1 -word2:
the results are pages that contains "word1" and not "word2"
+word1 +(>word2 <word3):
the results are pages that contains "word1" and ("word2" or "word2") giving more relevancy to "word2"
wor*:
the results are pages that contains all words beginning by "wor"
ex.: word, world, work,...
"word1 word2":
the results are pages that contains exactly "word1" followed by "word2"
