Perhaps you should try some spelling variations:
ban hanh » ban hang
hanh doi » thanh doi, hanh noi, hang doi
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cac loc » cac lop, cac toc, cac hoc
loc ban » lo ban, hoc ban, coc ban
doi cua » dai cua, hoi cua
te van » le van, te va, ve van
ve cac » va cac, vien cac
cua te » cua 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 van ky ((nang xa) or (lang xa)) hoi. hieu ve cac loc ban hanh doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te van ky ((nang xa) OR (lang xa)) hoi. hieu ve cac loc ban hanh doi cua te.
• Adding a wildcard symbol may retrieve word variants: te van ky ((nang xa) or (lang xa)) hoi. hieu ve cac loc ban hanh doi cua te*.