Perhaps you should try some spelling variations:
tang dai » tang tai, tang dan, lang dai
cao xuc » cam xuc, cao duc, cao suc
ky tang » ky nang, ky dang, kho tang
dai moi » doi moi, dai hoi
hieu su » hieu sau, hieu so, hieu suat
va hanh » van hanh, va thanh, va danh
tieu su » thieu so
tu sac » tu sach, tu san, tu bac
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu

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 cac)) ky tang dai moi. ((hieu su) OR (tieu su)) cao xuc va hanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ky tang dai moi. ((hieu su) OR (tieu su)) cao xuc va hanh vi cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu cac)) ky tang dai moi. ((hieu su) OR (tieu su)) cao xuc va hanh vi cua tu".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu cac)) ky tang dai moi. ((hieu su) OR (tieu su)) cao xuc va hanh vi cua tu*.