Perhaps you should try some spelling variations:
chat xuc » chat huu, chao xu, chat cua
ban hanh » ban hang
hieu va » lieu va, hieu qua
ky dang » ky nang, ky danh
mai hoi » mai khoi, lai hoi, mai doi
dai hoi » dai hoc, dai hai, dai moi
vi cua » vai cua, di cua
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 ((mai hoi) OR (dai hoi)). hieu va ((chat xuc) or (cam xuc)) ban hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang ((mai hoi) OR (dai hoi)). hieu va ((chat xuc) OR (cam xuc)) ban hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky dang ((mai hoi) OR (dai hoi)). hieu va ((chat xuc) or (cam xuc)) ban hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang ((mai hoi) OR (dai hoi)). hieu va ((chat xuc) or (cam xuc)) ban hanh vi cua te*.