Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
truong va » truong dai, truong cao, truong dao
chi sach » chinh sach, chieu sach, co sach
trung va » trang va, trung ha, trung tam
cong van » cong vang, cong san, song van
tang cau » hang cau, bang cau, nang cau
doi chi » doi khi
tang ca » tang cua, hang ca, tang ma

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 sach - thanh ((trung va) or (truong va)) nhung cong van ((tang cau) or (tang ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh ((trung va) OR (truong va)) nhung cong van ((tang cau) OR (tang ca)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh ((trung va) or (truong va)) nhung cong van ((tang cau) or (tang ca))*.