Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
thanh thi » thanh tai, nhanh thi, thanh tri
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
thuc gia » thuc giai, thue gia, thuc dia
dau tien » van tien
tu sach » thu sach, su sach, te sach
thi dau » thi dai, phi dau, thi dan
x hoi » xa hoi, o hoi, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thuat san)) ky nang ((x hoi) or (x ho)). hieu van nam thuc gia thanh thi dau tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuat san)) ky nang ((x hoi) OR (x ho)). hieu van nam thuc gia thanh thi dau tien.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuat san)) ky nang ((x hoi) or (x ho)). hieu van nam thuc gia thanh thi dau tien*.