Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung tuong » nhung huong, hung vuong, nhung cong
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh vat » trinh van, trinh luat, sinh vat
ho chieu » theo chieu, hoc thieu, doi chieu
phan cau » phan dau, phan cac, phan tu
hang dau » hang va, hang tai

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 trinh vat ((nhung tuong) OR (nhung phuong)) dan ((phan cau) or (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh trinh vat ((nhung tuong) OR (nhung phuong)) dan ((phan cau) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - canh trinh vat ((nhung tuong) OR (nhung phuong)) dan ((phan cau) or (hang dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh trinh vat ((nhung tuong) OR (nhung phuong)) dan ((phan cau) or (hang dau))*.