Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
hanh tram » hanh trang, thanh tran, thanh tra
van nhung » van nhuong, va nhung, van hung
hanh tam » thanh tam, nhanh tam, hanh lam
cong san » cong tac
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 tram) OR (hanh tam)) van nhung ((cong dong) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((hanh tram) OR (hanh tam)) van nhung ((cong dong) OR (cong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - ((hanh tram) OR (hanh tam)) van nhung ((cong dong) or (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((hanh tram) OR (hanh tam)) van nhung ((cong dong) or (cong san)) toan ban*.