Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong ham » truong cao, truong dao, truong va
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong dan » cong san, cong tan, huong dan
khan dam » thanh dam, chang dam, khanh nam
khan ap » khan cap, han ap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - thanh ((truong ham) or (truong dai)) nhung cong dan ((khan ap) OR (khan dam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh ((truong ham) OR (truong dai)) nhung cong dan ((khan ap) OR (khan dam)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - thanh ((truong ham) or (truong dai)) nhung cong dan ((khan ap) OR (khan dam))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh ((truong ham) or (truong dai)) nhung cong dan ((khan ap) OR (khan dam))*.