Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh trinh » canh tranh, hanh chinh
van phuong » va phuong, van chuong, van phung
hoc thieu » toc thieu, hoc hien
van phong » van dong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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 tinh - hanh trinh ((van phuong) or (((van phong) OR (hai phong)))) cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh trinh ((van phuong) OR (((van phong) OR (hai phong)))) cong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - hanh trinh ((van phuong) or (((van phong) OR (hai phong)))) cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh trinh ((van phuong) or (((van phong) OR (hai phong)))) cong manh toan ban*.