Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thieu xanh » chieu xanh, hieu manh, thien danh
xuat thong » xuat thuong, luat thuong
thien anh » thien danh, tien anh, thien thanh
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (thien anh)) - hanh trinh ((suat thong) or (xuat thong)) cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - hanh trinh ((suat thong) OR (xuat thong)) cong van toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - hanh trinh ((suat thong) or (xuat thong)) cong van toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - hanh trinh ((suat thong) or (xuat thong)) cong van toan cao*.