Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh dat » thanh san, thanh hai, thanh van
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cam tuc » cam xuc, nam thuc, dam thuc
dat cua » dai cua, day cua, mat cua
cua tre » cua te, cuu tre, cua triet
te sai » te tai, te bai, te lai
sai ky » sac ky
ma hoi » mai hoi, xa hoi, ma hoa
cam tu » cam thu, nam tu, dam tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky nang ma hoi. hieu ve ((cam tuc) or (cam tu)) ban thanh dat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang ma hoi. hieu ve ((cam tuc) OR (cam tu)) ban thanh dat cua tre.
• Adding a wildcard symbol may retrieve word variants: te sai ky nang ma hoi. hieu ve ((cam tuc) or (cam tu)) ban thanh dat cua tre*.