Perhaps you should try some spelling variations:
trang thanh » tran thanh, trung thanh, tang thanh
hanh trang » thanh trung, canh tranh, hanh trinh
chieu sang » chieu sach, chieu xanh, nhieu tang
nhung cong » thong cong, hang cong, nhung don
hieu lang » hieu quang, nhieu tang, hieu van
dung cong » dung trong
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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 (hieu lang)) - hanh trang thanh ((nhung cong) or (dung cong)) tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - hanh trang thanh ((nhung cong) OR (dung cong)) tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - hanh trang thanh ((nhung cong) or (dung cong)) tan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - hanh trang thanh ((nhung cong) or (dung cong)) tan toan cao*.