Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, doi chieu, mot chieu
dung cua » dung luan, dung cho
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban

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 (hoc thieu)) xanh - hanh dung cua thong ((cong dan) or (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - hanh dung cua thong ((cong dan) OR (cong tan)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) xanh - hanh dung cua thong ((cong dan) or (cong tan)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) xanh - hanh dung cua thong ((cong dan) or (cong tan)) toan tap*.