Perhaps you should try some spelling variations:
lang xa » lang ha, dang xay, lang van
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
cac loc » cac lop, cac toc, cac hoc
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, mang xa, ang xa
nang ma » tang ma, sang ma, nang cao
san ky » sang ky, van ky, dan ky
ve cac » va cac, vien cac
loc va » hoc va, luc va
di cua » dai cua, doi cua, de cua
te san » te ban, ke san, tu 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 san ky ((((nang xa) or (nang ma))) or (lang xa)) hoi. hieu ve cac loc va hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky ((((nang xa) OR (nang ma))) OR (lang xa)) hoi. hieu ve cac loc va hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: te san ky ((((nang xa) or (nang ma))) or (lang xa)) hoi. hieu ve cac loc va hanh di cua tre*.