Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cau luc » cau truc, cau phuc
va dauh » va danh, va doanh
lai cua » dai cua, hai cua, lai chau
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
va cau » van cau, va cac, va cao
va dau » va dao
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 sac ky nang xa hoi. hieu va cau luc ((va dauh) or (va dau)) lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang xa hoi. hieu va cau luc ((va dauh) OR (va dau)) lai cua te.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang xa hoi. hieu va cau luc ((va dauh) or (va dau)) lai cua te*.