Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
canh trinh » canh tranh, hanh trinh, canh tinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
thien anh » thien danh, tien anh, thien thanh
trinh han » trinh quan
nhung don » nhung van, nhung bo
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) or (thien anh)) - canh trinh han ((nhung don) or (thong cong)) dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (thien anh)) - canh trinh han ((nhung don) OR (thong cong)) dan phan dau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (thien anh)) - canh trinh han ((nhung don) or (thong cong)) dan phan dau*.