Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, anh trinh
thang long » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
canh tinh » hanh tinh, canh tranh, nhanh tinh
manh tinh » man tinh, manh binh, hanh tinh
hoc hieu » hoc thieu, hoc hien, doc hieu
va thang » van thang, va thanh, va thong
long dan » long doan, cong dan, nong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - ((canh trinh) or (((canh tinh) OR (manh tinh)))) va thang long dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((canh trinh) OR (((canh tinh) OR (manh tinh)))) va thang long dan phan dau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - ((canh trinh) or (((canh tinh) OR (manh tinh)))) va thang long dan phan dau*".