Perhaps you should try some spelling variations:
tham nhung » thi nhung
hanh trung » thanh trung, hanh trang, manh trung
tieu sang » chieu sang, tieu dung, tinh sang
tiem nang » tin nang, tich nang
nam nhung » cam nhung, va nhung, nam trung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu sang) or (tiem nang)) - hanh trung ((nam nhung) OR (tham nhung)) cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sang) OR (tiem nang)) - hanh trung ((nam nhung) OR (tham nhung)) cong dan than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sang) or (tiem nang)) - hanh trung ((nam nhung) OR (tham nhung)) cong dan than cao".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sang) or (tiem nang)) - hanh trung ((nam nhung) OR (tham nhung)) cong dan than cao*.