Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
luat dung » suat dung, luat chung, thuat dung
dung cong » dung trong
cong van » cong vang, cong san, song van
chat cau » chat cam, chat va, chat ban
chat cao » chat co, chat cho, chat bao
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chi) or (hoc thieu)) xanh - hanh trinh luat dung cong van ((chat cau) OR (chat cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (hoc thieu)) xanh - hanh trinh luat dung cong van ((chat cau) OR (chat cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chi) or (hoc thieu)) xanh - hanh trinh luat dung cong van ((chat cau) OR (chat cao))".
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (hoc thieu)) xanh - hanh trinh luat dung cong van ((chat cau) OR (chat cao))*.