Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chiet tach » chieu sach
cua thong » cua thuong, cua khong, cua tong
cua tinh » cua sinh, va tinh, ha tinh
lanh ban » lanh bang, lang ban, doanh ban
cong van » cong vang, cong san, song van
phan cau » phan dau, phan cac, phan lap
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((cua tinh) or (chiet tach)) - lanh ban cua thong cong van ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((cua tinh) OR (chiet tach)) - lanh ban cua thong cong van ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho ((cua tinh) or (chiet tach)) - lanh ban cua thong cong van ((phan cau) or (phan tu))*.