Perhaps you should try some spelling variations:
hien tinh » khien tinh, thien tinh, bien tinh
hanh manh » hanh mang, hoang manh, thanh minh
lanh manh » lanh tranh, lan anh, van manh
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
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.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tinh - ((hanh manh) or (lanh manh)) cua hang cong dan ((than cao) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - ((hanh manh) OR (lanh manh)) cua hang cong dan ((than cao) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - ((hanh manh) or (lanh manh)) cua hang cong dan ((than cao) or (than cap))*.