Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sang » chieu sang, thieu khang, thieu quang
hanh trinh » canh tranh, hanh chinh
cua khong » hua khong, cua phuong, cua thuong
thong dan » tuong dan, thong den, trong dan
thong van » trong van, thong va, thong quan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sang - ((thanh trung) or (hanh trinh)) cua khong ((thong dan) OR (thong van)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - ((thanh trung) OR (hanh trinh)) cua khong ((thong dan) OR (thong van)) than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sang - ((thanh trung) or (hanh trinh)) cua khong ((thong dan) OR (thong van)) than cap*".