Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
nang mai » nang ma, nang tai, lang mai
kem cau » ket cau, ke cau, kem chu
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
mai hoi » mai khoi, dai hoi, lai hoi
te sach » toc sach
cuu va » cuu van
te sac » te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (te sach)) ky nang mai hoi. hieu ve cham ((cuu va) or (cuu ve)) hanh kem cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te sach)) ky nang mai hoi. hieu ve cham ((cuu va) OR (cuu ve)) hanh kem cau tren.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te sach)) ky nang mai hoi. hieu ve cham ((cuu va) or (cuu ve)) hanh kem cau tren*.