Perhaps you should try some spelling variations:
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
tuc va » thuc va, truc va, tuc xa
sac ky » cac ky
va cam » va cham, va cac, va cao
ve ve » va ve, ke ve, ve ke

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) or (sai ky)) tang xa hoi. hieu va cam tuc va hanh ((ve ve) or (de ve)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sac ky) OR (sai ky)) tang xa hoi. hieu va cam tuc va hanh ((ve ve) OR (de ve)) triet.
• Adding a wildcard symbol may retrieve word variants: te ((sac ky) or (sai ky)) tang xa hoi. hieu va cam tuc va hanh ((ve ve) or (de ve)) triet*.