Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
van hanh » ban hanh, van anh, van ban
te cach » ve cach, tu cach, te cac
cac xuc » cam xuc, cac nuoc, chat xuc
vai cua » dai cua, hai cua, lai cua
hieu va » lieu va, hieu qua
lang co » lang o, nang co, tang co
tu lang » cu lang, tu lanh, xu lang
te sach » toc sach
cua cau » cua cac, cua chu, cua cay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te cach) OR (te sach)) tu lang co hoc. hieu va cac xuc ((van hanh) or (van thanh)) vai cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cach) OR (te sach)) tu lang co hoc. hieu va cac xuc ((van hanh) OR (van thanh)) vai cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te cach) OR (te sach)) tu lang co hoc. hieu va cac xuc ((van hanh) or (van thanh)) vai cua cau*".