Perhaps you should try some spelling variations:
thuat anh » thuat lanh, thuat canh, thuat nganh
van gianh » van giang, va gianh, van gian
hieu van » hieu va, thien van, lieu va
bao suc » bao luc, cao suc, bao thuc
suc van » su van, duc van, luc van
nang ma » tang ma, sang ma, mang may
lai cuu » lai cua, lai cuoc, loai cua
van bao » van ban, van dao
anh y » hanh y, anh d, anh _

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thuat anh y ((nang ma) or (nang cao)) hoi. hieu van bao suc van gianh ((lai cuu) OR (lai chau)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat anh y ((nang ma) OR (nang cao)) hoi. hieu van bao suc van gianh ((lai cuu) OR (lai chau)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat anh y ((nang ma) or (nang cao)) hoi. hieu van bao suc van gianh ((lai cuu) OR (lai chau)) tre".
• Adding a wildcard symbol may retrieve word variants: thuat anh y ((nang ma) or (nang cao)) hoi. hieu van bao suc van gianh ((lai cuu) OR (lai chau)) tre*.