Perhaps you should try some spelling variations:
thinh duc » tinh duc, trinh duc, trinh duoc
thanh lap » thanh san, phan lap, thanh hai
va thinh » van thinh, va tinh, va thanh
hanh lai » hanh lam, hanh tai, thanh loi
su triet » su viet, su tien, ve triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cao hoi » cau hoi, co hoi, cao hoc
hieu va » lieu va, hieu qua

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 ky nang cao hoi. hieu va thinh duc va ((hanh lai) or (thanh lap)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang cao hoi. hieu va thinh duc va ((hanh lai) OR (thanh lap)) su triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang cao hoi. hieu va thinh duc va ((hanh lai) or (thanh lap)) su triet*.