Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chiet tach » chieu sach
hieu lang » chieu sang, hieu quang, nhieu tang
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan gian » tran gian, dan gian, van gian
gian nan » gian dan, gian lan, gian van

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 (hieu lang)) - hanh trang ((cua hang) OR (cua dang)) cong tan gian nan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (hieu lang)) - hanh trang ((cua hang) OR (cua dang)) cong tan gian nan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chiet tach) or (hieu lang)) - hanh trang ((cua hang) OR (cua dang)) cong tan gian nan".
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (hieu lang)) - hanh trang ((cua hang) OR (cua dang)) cong tan gian nan*.