Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
hieu van » hieu va, thien van, hieu ve
ban hanh » ban hang
hanh dai » hanh tai, hanh dao, vanh dai
su sach » so sach, vu sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
cua tuc » cua duc, cua tu, cua thuoc
lam lo » nam lo, lam co, cam lo
lo ban » co ban, lo van, ly ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu khach)) ky lang xa hoi. ((hieu van) OR (lieu va)) lam lo ban hanh dai cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu khach)) ky lang xa hoi. ((hieu van) OR (lieu va)) lam lo ban hanh dai cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu khach)) ky lang xa hoi. ((hieu van) OR (lieu va)) lam lo ban hanh dai cua tuc".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu khach)) ky lang xa hoi. ((hieu van) OR (lieu va)) lam lo ban hanh dai cua tuc*.