Perhaps you should try some spelling variations:
phat luc » nhan luc, phat huy, chat lua
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
cua tre » cua te, cuu tre, cua triet
te sai » te tai, te bai, te lai
sai ky » sac ky
le cua » ly cua

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 tang ma hoa. hieu va phat luc ((va hanh) or (va danh)) le cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky tang ma hoa. hieu va phat luc ((va hanh) OR (va danh)) le cua tre*.