Perhaps you should try some spelling variations:
phung cong » nhung cong, phong cong, nhung chong
chau tinh » cuu tinh, ha tinh, cua tinh
canh sinh » canh tinh, canh binh, tinh sinh
vat phung » van phung, vat dung, vat khong
cong tac » cong ty
phan cau » phan dau, phan cac, phan tu
pham can » pham van, pham lan, pham ca
ho chau » ha chau, ho chu, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - canh sinh vat phung cong tac ((phan cau) or (pham can))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - canh sinh vat phung cong tac ((phan cau) OR (pham can)).
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - canh sinh vat phung cong tac ((phan cau) or (pham can))*.