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

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