Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
chat xuc » chat huu, cam xuc, chao xu
sang thi » dang thi, sang tai, tang thi
chat tuc » luat tuc, chat huu, chat cua
vai cua » dai cua, hai cua, lai cua
ky sang » ky nang, ky dang, ky tang
thi hoa » thi hoan, thi ha, thi hong
tu can » tu cac, thu canh
tu ban » thu ban, te ban
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu can) or (tu ban)) ky sang thi hoa. hieu qua ((chat tuc) or (chat xuc)) ban thanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu can) OR (tu ban)) ky sang thi hoa. hieu qua ((chat tuc) OR (chat xuc)) ban thanh vai cua tu.
• Adding a wildcard symbol may retrieve word variants: ((tu can) or (tu ban)) ky sang thi hoa. hieu qua ((chat tuc) or (chat xuc)) ban thanh vai cua tu*.