Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tuong dao » truong dao, duong dao, tuong dan
luong dao » duong dao, truong dao, luong giao
cong dan » cong san, cong tan, huong dan
tung va » trung va, tuong va, dung va
dan bao » van bao, dam bao, da bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh ((tung va) or (((tuong dao) OR (luong dao)))) nhung cong dan bao cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((tung va) OR (((tuong dao) OR (luong dao)))) nhung cong dan bao cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((tung va) or (((tuong dao) OR (luong dao)))) nhung cong dan bao cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((tung va) or (((tuong dao) OR (luong dao)))) nhung cong dan bao cao*.