Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
su triet » su viet, su tien, ve triet
te sach » toc sach
lang xa » lang ha, dang xay, lang van
hieu va » hieu qua
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
sach 2 » sach y
2 lang » 22 lang, o lang, _ lang
tuc va » thuc va, truc va, tuc xa
dai su » dai sua, dai so, dan su

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach 2 lang xa hoi. ((hieu va) or (lieu va)) cam tuc va hanh dai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach 2 lang xa hoi. ((hieu va) OR (lieu va)) cam tuc va hanh dai su triet.
• Adding a wildcard symbol may retrieve word variants: te sach 2 lang xa hoi. ((hieu va) or (lieu va)) cam tuc va hanh dai su triet*.