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
ha chau » hat chau, a chau, lai chau
pham ma » pham va, pham van, pham tai

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

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