Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
doi chieu » doc hieu, doi chi, mot chieu
ho chieu » theo chieu, hoc thieu, mot chieu
lang qua » lang que, lang cua, long qua
qua dung » quang dung, su dung, qua song
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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: ((ho chieu) OR (doi chieu)) tinh - nhanh lang qua dung ((cong dan) or (cong tan)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) tinh - nhanh lang qua dung ((cong dan) OR (cong tan)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) tinh - nhanh lang qua dung ((cong dan) or (cong tan)) than cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) tinh - nhanh lang qua dung ((cong dan) or (cong tan)) than cao*.