Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va triet » va thiet, va trien, ve triet
thu sai » thu hai, thu tai, thu san
nang ma » tang ma, sang ma, nang cao
qua cam » qua cham, qua cac, qua ca
cua tre » cua te, cuu tre, cua triet
sai ky » sac ky
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sai ky nang ma hoi. hieu qua cam ((tuc va) or (duc va)) thanh vai ((cua tre) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sai ky nang ma hoi. hieu qua cam ((tuc va) OR (duc va)) thanh vai ((cua tre) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: thu sai ky nang ma hoi. hieu qua cam ((tuc va) or (duc va)) thanh vai ((cua tre) or (va triet))*.