Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
lanh manh » lan anh, van manh, anh anh
cua nhung » va nhung
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc thieu)) tinh - ((lanh manh) OR (lanh tranh)) cua nhung cong ban than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) tinh - ((lanh manh) OR (lanh tranh)) cua nhung cong ban than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc thieu)) tinh - ((lanh manh) OR (lanh tranh)) cua nhung cong ban than ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc thieu)) tinh - ((lanh manh) OR (lanh tranh)) cua nhung cong ban than ban*.