Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
thanh vai » thanh hai, thanh van, thanh tai
nang tai » hang tai, tang tai, sang tai
tai khoi » tai khoa, mai khoi, tao khoi
tu sach » thu sach, su sach, te sach
va hieu » van hieu, va dieu, va hien
sach ky » sac ky, sach y, sach ty
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang tai khoi. hieu ((ve cam) or (va cam)) duc va ((thanh vai) or (thanh phan)) va hieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang tai khoi. hieu ((ve cam) OR (va cam)) duc va ((thanh vai) OR (thanh phan)) va hieu.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang tai khoi. hieu ((ve cam) or (va cam)) duc va ((thanh vai) or (thanh phan)) va hieu*.