Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
thanh vi » thanh va, thanh ve, nhanh vi
thu bang » thu ban, thu hang, chu bang
su triet » su tien, ve triet
hieu van » hieu va, thien van, lieu va
van cach » va cach, van canh, vat cach
sach thu » sach thue, sach thieu, sach tham
su sach » so sach, vu sach
su viet » so viet
bang x » nang x, bang _, bang 2
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach thu bang x hoi. hieu van cach thuc vat ((thanh vi) or (hanh vi)) ((su triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu bang x hoi. hieu van cach thuc vat ((thanh vi) OR (hanh vi)) ((su triet) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: su sach thu bang x hoi. hieu van cach thuc vat ((thanh vi) or (hanh vi)) ((su triet) or (su viet))*.