Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh han
nhung cong » dung cong, thong cong, hang cong
ho chiet » ho thiet, hoc thiet, hoa thiet
ho chieu » theo chieu, hoc thieu, doi chieu
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang 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: ((ho chiet) or (ho chieu)) tach - hanh ((trinh quan) OR (trinh luat)) nhung cong van tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (ho chieu)) tach - hanh ((trinh quan) OR (trinh luat)) nhung cong van tan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) or (ho chieu)) tach - hanh ((trinh quan) OR (trinh luat)) nhung cong van tan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (ho chieu)) tach - hanh ((trinh quan) OR (trinh luat)) nhung cong van tan ban*.