Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
cac xuc » cam xuc, cac nuoc, chat xuc
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
sach tu » sach thu, sach ty, sach uu
cao hoi » cau hoi, co hoi, cao hoc
ve cac » va cac, vien cac
cua su » qua 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 tu) or (((cach tu) OR (cach thuc)))) nang cao hoi. hieu ve cac xuc van hanh vai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tu) OR (((cach tu) OR (cach thuc)))) nang cao hoi. hieu ve cac xuc van hanh vai cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach tu) or (((cach tu) OR (cach thuc)))) nang cao hoi. hieu ve cac xuc van hanh vai cua su".
• Adding a wildcard symbol may retrieve word variants: te ((sach tu) or (((cach tu) OR (cach thuc)))) nang cao hoi. hieu ve cac xuc van hanh vai cua su*.