Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong cong » trong cong, tong cong, thong thong
hanh dung » thanh dung, hanh dong, manh dung
cua thong » cua thuong, cua khong, cua tong
thanh cac » hanh cac, thanh bac, thanh ca
ho chieu » theo chieu, hoc thieu, doi chieu
anh dung » anh dong, anh huong, sach dung
cong tan » cong tac, cong san, cong thanh
khan cap » khan ap, than cap, khoan cam

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