Perhaps you should try some spelling variations:
truong long » trong long, truong cong, truong dong
lanh tranh » canh tranh, lan tranh, hanh trinh
trung long » trung uong, trong long, trung dong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
toc hieu » toc thieu, doc hieu, hoc thieu
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: toc hieu manh - lanh tranh cua ((truong long) or (trung long)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - lanh tranh cua ((truong long) OR (trung long)) tinh toan ban*.