Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
trung vap » trung cap, trung va, trung van
vap nhung » va nhung, ve nhung, voi nhung
cong sanh » cong san, cong danh, cong sach
sanh cua » manh cua, sinh cua, hanh cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (hieu lang)) - thanh trung vap nhung cong sanh cua cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (hieu lang)) - thanh trung vap nhung cong sanh cua cac.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (hieu lang)) - thanh trung vap nhung cong sanh cua cac*.