Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
hoc thieu » toc thieu, hoc hien
lanh manh » lanh tranh, lan anh, van manh
cuu nang » chuc nang, cam nang, cuu van
kha nang » phap nang, ky nang, ki nang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 quang - lanh manh ((cuu nang) or (kha nang)) cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu quang - lanh manh ((cuu nang) OR (kha nang)) cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - lanh manh ((cuu nang) or (kha nang)) cong dan toan tap*.