Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
tranh van » tran van, trinh van, thanh van
ho chieu » theo chieu, hoc thieu, mot chieu
tranh va » trang va, trinh va, thanh va
cong can » cong san, cong tan, cong dan
can cho » chan cho, cap cho, cao cho
cho tu » choi tu, chon tu, cho cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (doi chieu)) sach - canh ((tranh va) or (tranh van)) nhung cong can cho tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - canh ((tranh va) OR (tranh van)) nhung cong can cho tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - canh ((tranh va) or (tranh van)) nhung cong can cho tu".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - canh ((tranh va) or (tranh van)) nhung cong can cho tu*.