Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
hanh hang » thanh hang, hang hang, hanh han
cong doan » cong dan, cong hoan, dong doanh
doan van » doan va, hoang van, luan van
hang he » hang ha, bang he, hang ke

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (hoc thieu)) xanh - hanh hang he thong cong doan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) xanh - hanh hang he thong cong doan van ban.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) xanh - hanh hang he thong cong doan van ban*.