Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
hieu cao » chieu cao, hieu cac, hieu ca
ve triet » su triet
hanh lam » thanh lap, hanh kem, hanh va
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
hang xa » hoang xa, hang va, hang ca
sach ty » sach tu, sach thu, xach tay
xuc van » duc van, luc van, vuc van

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((sach ty) or (sach y)) hang xa hoi. hieu cao chat xuc van hanh lam ((ve triet) OR (va trien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sach ty) OR (sach y)) hang xa hoi. hieu cao chat xuc van hanh lam ((ve triet) OR (va trien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((sach ty) or (sach y)) hang xa hoi. hieu cao chat xuc van hanh lam ((ve triet) OR (va trien))".
• Adding a wildcard symbol may retrieve word variants: vu ((sach ty) or (sach y)) hang xa hoi. hieu cao chat xuc van hanh lam ((ve triet) OR (va trien))*.