Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
cac xuc » cac nuoc, chat xuc, cac cuoc
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ty sang » ty xang, ty hang, duy sang
ma hoi » xa hoi, ma hoa, me hoi
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty sang ((ma hoi) OR (mai hoi)). hieu ve ((cac xuc) or (cam xuc)) van hanh dai cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty sang ((ma hoi) OR (mai hoi)). hieu ve ((cac xuc) OR (cam xuc)) van hanh dai cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty sang ((ma hoi) OR (mai hoi)). hieu ve ((cac xuc) or (cam xuc)) van hanh dai cua cu".
• Adding a wildcard symbol may retrieve word variants: te sach ty sang ((ma hoi) OR (mai hoi)). hieu ve ((cac xuc) or (cam xuc)) van hanh dai cua cu*.