Perhaps you should try some spelling variations:
tieu trinh » tien trinh, tien thinh, trieu tinh
tieu tinh » trieu tinh, lieu tinh, kieu tinh
lanh manh » lanh tranh, lan anh, van manh
bang cong » dang cong, bang song, hang cong
phan cong » thanh cong
manh cua » doanh cua, ban cua
van toan » van tuan, van tan, van thanh
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: theo ((tieu tinh) OR (tieu trinh)) - lanh manh cua ((bang cong) or (phan cong)) van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu tinh) OR (tieu trinh)) - lanh manh cua ((bang cong) OR (phan cong)) van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu tinh) OR (tieu trinh)) - lanh manh cua ((bang cong) or (phan cong)) van toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu tinh) OR (tieu trinh)) - lanh manh cua ((bang cong) or (phan cong)) van toan ban*.