Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tuong vao » tuong va, tuong vo, tuong dao
tung vap » tung va, trung van, dung va
cong van » cong vang, song van, cong tan
cong san » cong tac
bao cap » cao cap, bao cao, nao cap

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 vap) or (tuong vao)) nhung ((cong van) OR (cong san)) bao cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((tung vap) OR (tuong vao)) nhung ((cong van) OR (cong san)) bao cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((tung vap) or (tuong vao)) nhung ((cong van) OR (cong san)) bao cap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((tung vap) or (tuong vao)) nhung ((cong van) OR (cong san)) bao cap*.