Perhaps you should try some spelling variations:
tang dai » tang tai, tang dan, lang dai
chat huu » pham huu
chat xuc » cam xuc, chao xu, chat cua
hieu vu » hieu va, hieu ve, hieu su
va hanh » van hanh, va thanh, va danh
ky tang » ky nang, ky dang, kho tang
dai hoi » dai hoc, dai hai, dai moi
vi cua » vai cua, di cua
tu sac » tu sach, tu cac, tu bac
tu san » thu san, tu ban, tu can
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) or (tu san)) ky tang dai hoi. hieu vu ((chat xuc) OR (chat huu)) va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky tang dai hoi. hieu vu ((chat xuc) OR (chat huu)) va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu san)) ky tang dai hoi. hieu vu ((chat xuc) OR (chat huu)) va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky tang dai hoi. hieu vu ((chat xuc) OR (chat huu)) va hanh vi cua te*.