Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh tinh » hanh tinh, manh tinh, canh tranh
vat phung » van phung, vat dung, vat phan
vat khong » va khong, vat khoa, vat trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
pham cau » phan cau, pham ca, pha cau
pham can » pham van, pham lan, pham ca

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

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