Perhaps you should try some spelling variations:
chat huu » pham huu
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
chat xuc » cam xuc, chao xu, chat cua
ky dang » ky nang, ky danh
bai hoi » bai choi, dai hoi, bi hoi
vai cua » dai cua, hai cua, lai cua
bai hoc » dai hoc
hieu va » lieu va, hieu qua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua te » cua tu

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 ky dang ((bai hoi) OR (bai hoc)). hieu va ((chat xuc) or (chat huu)) ban hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang ((bai hoi) OR (bai hoc)). hieu va ((chat xuc) OR (chat huu)) ban hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky dang ((bai hoi) OR (bai hoc)). hieu va ((chat xuc) or (chat huu)) ban hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang ((bai hoi) OR (bai hoc)). hieu va ((chat xuc) or (chat huu)) ban hanh vai cua te*.