Perhaps you should try some spelling variations:
sang tai » hang tai, sang tao, tang tai
va thanh » gia thanh, ban thanh, va tinh
hieu va » lieu va, hieu qua
va hanh » van hanh, va danh, ban hanh
ky sang » ky nang, ky dang, ky tang
tai hai » thi hai, dai hai, tai ha
hieu ve » hieu van
vi cua » vai cua, di cua
tu sai » tu bai, tu san, tu cai
sai ky » sac 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 sai ky sang tai hai. ((hieu ve) or (hieu va)) cam xuc ((va hanh) OR (va thanh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky sang tai hai. ((hieu ve) OR (hieu va)) cam xuc ((va hanh) OR (va thanh)) vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky sang tai hai. ((hieu ve) or (hieu va)) cam xuc ((va hanh) OR (va thanh)) vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu sai ky sang tai hai. ((hieu ve) or (hieu va)) cam xuc ((va hanh) OR (va thanh)) vi cua te*.