Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chiet tach » chieu sach
doi chiet » doi chieu, doi chi, doi viet
cong van » cong vang, cong san, song van
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau
minh va » tinh va, sinh vat, dinh van
sinh va » sinh vat, tinh va, dinh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chiet tach - lanh ((minh va) OR (sinh va)) nhung cong van ((phan cau) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chiet tach - lanh ((minh va) OR (sinh va)) nhung cong van ((phan cau) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - lanh ((minh va) OR (sinh va)) nhung cong van ((phan cau) OR (phan dau))*.