Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
luan bang » luan nang, luan tang, tuan bang
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
luan ban » luan van, luan san, luan han

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 dung ((cua dung) OR (cua dang)) cong van ((luan ban) or (luan bang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh dung ((cua dung) OR (cua dang)) cong van ((luan ban) OR (luan bang)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh dung ((cua dung) OR (cua dang)) cong van ((luan ban) or (luan bang))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh dung ((cua dung) OR (cua dang)) cong van ((luan ban) or (luan bang))*.