Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
xuat thong » xuat thuong, luat thuong
duong manh » duong van
thai tinh » thai binh, thai vinh, thanh tinh
manh toan » thanh toan, anh tuan, tinh toan
tri tinh » tri kinh, trieu tinh, vi tinh
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: mot ((tri tinh) OR (thai tinh)) - hanh trinh ((xuat thong) or (suat thong)) duong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot ((tri tinh) OR (thai tinh)) - hanh trinh ((xuat thong) OR (suat thong)) duong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "mot ((tri tinh) OR (thai tinh)) - hanh trinh ((xuat thong) or (suat thong)) duong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: mot ((tri tinh) OR (thai tinh)) - hanh trinh ((xuat thong) or (suat thong)) duong manh toan cao*.