Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
sang xa » song xa, lang xa, sang va
va hanh » van hanh, va thanh, va danh
mang xa » lang xa, mang may, dang xay
sang ma » tang ma, nang ma, sang tao
cam loc » cam lo
loc va » hoc va, luc va
te san » te ban, ke san, tu san
ve cam » ve cham, ve cac, va cam
san ky » sang ky, van ky, dan ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: te san ky ((((sang xa) or (mang xa))) or (sang ma)) hoi. hieu ve cam loc va hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky ((((sang xa) OR (mang xa))) OR (sang ma)) hoi. hieu ve cam loc va hanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: te san ky ((((sang xa) or (mang xa))) or (sang ma)) hoi. hieu ve cam loc va hanh dai cua tre*.