Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
cong tinh » cong trinh, cong vinh, long tinh
cua dang » cua ban
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 - ((canh manh) OR (lanh manh)) ((cua dang) or (cua cong)) cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh manh) OR (lanh manh)) ((cua dang) OR (cua cong)) cong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((canh manh) OR (lanh manh)) ((cua dang) or (cua cong)) cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh manh) OR (lanh manh)) ((cua dang) or (cua cong)) cong tinh toan ban*.