Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
trung vap » trung cap, trung va, trung van
vap nhung » va nhung, ve nhung, voi nhung
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (chiet tach)) - thanh trung vap nhung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - thanh trung vap nhung cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - thanh trung vap nhung cong dan chan cau*.