Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
hoc thieu » toc thieu, hoc hien
tam bang » tao bang, tam ban, thai bang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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 sang - ((hanh trung) OR (manh trung)) tam bang ((cong dan) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((hanh trung) OR (manh trung)) tam bang ((cong dan) OR (cong tan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - ((hanh trung) OR (manh trung)) tam bang ((cong dan) or (cong tan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((hanh trung) OR (manh trung)) tam bang ((cong dan) or (cong tan)) toan ban*.