Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
duong cong » dung cong, luong cong, duong trong
hoc thieu » toc thieu, hoc hien
trang va » hang va
tran van » luan van
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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 - hanh ((trang va) OR (tran van)) duong cong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((trang va) OR (tran van)) duong cong dan ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((trang va) OR (tran van)) duong cong dan ((toan cau) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trang va) OR (tran van)) duong cong dan ((toan cau) or (toan tap))*.