Perhaps you should try some spelling variations:
thoi tung » thoi trung, thoi trang, thoi huong
cac thoi » cac toi, cac hop, cac tro
tung dan » dung dan, huong dan, trung dai
va hanh » van hanh, va thanh, va danh
cau luc » cau truc, cau phuc
hieu va » lieu va, hieu qua
hieu vu » hieu ve, hieu su, dieu vu
dan hoi » dan hoc, dai hoi, van hoi
luc va » duc va, tuc va, loc va
cua cu » cua chu, cua cau, cua su
chua » chu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac thoi tung dan hoi. ((hieu vu) or (hieu va)) cau luc va hanh vi ((cua cu) or (sua chua))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac thoi tung dan hoi. ((hieu vu) OR (hieu va)) cau luc va hanh vi ((cua cu) OR (sua chua)).
• Adding a wildcard symbol may retrieve word variants: tu cac thoi tung dan hoi. ((hieu vu) or (hieu va)) cau luc va hanh vi ((cua cu) or (sua chua))*.