Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhieu tang » chieu sang, hieu lang, nhiet nang
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
giai nan » giai han, giai san, giai van
gian van » giang van, gian dan, gian lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chiet tach) or (nhieu tang)) - hanh trung tuan dung cong tan ((giai nan) or (gian van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (nhieu tang)) - hanh trung tuan dung cong tan ((giai nan) OR (gian van)).
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (nhieu tang)) - hanh trung tuan dung cong tan ((giai nan) or (gian van))*.