Perhaps you should try some spelling variations:
chat huu » pham huu
hanh vai » hanh va, hanh tai, hanh van
hieu ve » hieu va, hieu van
nang co » nang cao, nang doc, nang noi
co hoat » cao hoat, cac hoat, che hoat
ve chat » va chat, van chat
huu va » cuu va, tuu va
tu sac » tu sach, tu cac, tu bac
tu san » thu san, tu ban, tu can
thiet » thieu

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 co hoat. hieu ve chat huu va ((hanh vai) or (hanh vi)) va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang co hoat. hieu ve chat huu va ((hanh vai) OR (hanh vi)) va thiet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu san)) ky nang co hoat. hieu ve chat huu va ((hanh vai) or (hanh vi)) va thiet".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu san)) ky nang co hoat. hieu ve chat huu va ((hanh vai) or (hanh vi)) va thiet*.