Perhaps you should try some spelling variations:
nhung khuong » nhung phuong, nhung huong, nhung chong
theo chieu » theo tieu, ho chieu, theo chu
khuong anh » phuong anh, khuong tinh, hong anh
doi chieu » doc hieu, doi chi, ho chieu
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
toan cao » toan ban
toan tap » toan ban
tinh va » tich va, trinh van, trinh vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (doi chieu)) xanh - hanh tinh va nhung khuong anh ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) xanh - hanh tinh va nhung khuong anh ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chieu)) xanh - hanh tinh va nhung khuong anh ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) xanh - hanh tinh va nhung khuong anh ((toan cao) OR (toan tap))*.