Perhaps you should try some spelling variations:
tang tai » hang tai, dung tai, sang tao
va triet » va thiet, va trien, ve triet
tu cach » tu cac
cach tu » cach thuc
tu tang » tuc tang, tu trang, tu tong
tai hai » thi hai, dai hai, tai ha
hieu su » hieu sau, hieu so, hieu suat
tieu su » thieu so
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
soc va » hoc va, loc va, doc va
va va » va van, va vua, va vai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach tu tang tai hai. ((hieu su) or (tieu su)) cham soc va hanh va va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach tu tang tai hai. ((hieu su) OR (tieu su)) cham soc va hanh va va triet.
• Adding a wildcard symbol may retrieve word variants: tu cach tu tang tai hai. ((hieu su) or (tieu su)) cham soc va hanh va va triet*.