Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trinh quan » tinh quang, trinh han
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
bang cong » dang cong, bang song, hang cong
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van 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 ((trinh quan) OR (trinh luat)) ((nhung cong) or (bang cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((trinh quan) OR (trinh luat)) ((nhung cong) OR (bang cong)) manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((trinh quan) OR (trinh luat)) ((nhung cong) or (bang cong)) manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trinh quan) OR (trinh luat)) ((nhung cong) or (bang cong)) manh toan ban*.