Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
tu cach » tu cac
lai cua » dai cua, hai cua, lai chau
va hanh » van hanh, va danh, ban hanh
cao tuc » dao tuc, cao duc, cao suc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
so sach » so sanh, bo sach, co sach
ve cao » va cao, ve bao, ve cac
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: ((tu cach) or (so sach)) ky nang xa hoi. hieu ve cao tuc ((va hanh) OR (va thanh)) lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (so sach)) ky nang xa hoi. hieu ve cao tuc ((va hanh) OR (va thanh)) lai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (so sach)) ky nang xa hoi. hieu ve cao tuc ((va hanh) OR (va thanh)) lai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (so sach)) ky nang xa hoi. hieu ve cao tuc ((va hanh) OR (va thanh)) lai cua te*.