Perhaps you should try some spelling variations:
tieu sang » chieu sang, tieu dung, tiem nang
hanh dung » thanh dung, anh dung, hanh dong
chu khong » he khong, chu trong
thi khong » thi hong, thi phuong, khoi khong
cang san » cong san, cang sau, nang sang
than cao » toan cao, thai cao, than sao
than cap » khan cap, thanh lap, thanh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - hanh dung ((chu khong) OR (thi khong)) cang san ((than cao) OR (than cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sang - hanh dung ((chu khong) OR (thi khong)) cang san ((than cao) or (than cap))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - hanh dung ((chu khong) OR (thi khong)) cang san ((than cao) or (than cap))*.