Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang cong » dang cong, hang nong, bang cong
lang van » dang van, tang van, hoang van
cong van » cong vang, cong san, song van
than ban » thanh ban, than man, nhuan ban
toan ban » van ban
lang va » hang va, lang ha, lang xa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - nhanh ((lang va) OR (lang van)) hang cong van ((than ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - nhanh ((lang va) OR (lang van)) hang cong van ((than ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - nhanh ((lang va) OR (lang van)) hang cong van ((than ban) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - nhanh ((lang va) OR (lang van)) hang cong van ((than ban) or (toan ban))*.