Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh tai » thanh hai, thanh toan, doanh tai
thanh vai » thanh hai, thanh van, thanh oai
qua ban » cua ban, qua quan
cam qua » cau qua, cac qua, cay qua
qua cam » qua cham, qua cac, qua ca
cao hoi » cau hoi, co hoi, cao hoc
tu san » thu san, tu ban, tu can
tu sac » tu sach, tu cac, tu bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu san)) ky nang cao hoi. hieu qua cam qua ban ((thanh vai) or (thanh tai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang cao hoi. hieu qua cam qua ban ((thanh vai) OR (thanh tai)) cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky nang cao hoi. hieu qua cam qua ban ((thanh vai) or (thanh tai)) cua triet*.