Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
lanh manh » lan anh, anh anh, lan oanh
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
van manh » van minh, van anh, van hanh
cua dung » cua dang, cua dong, qua dung
toan tap » toan 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 chua xang - ((((lanh manh) or (van manh))) or (lanh tranh)) cua dung cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - ((((lanh manh) OR (van manh))) OR (lanh tranh)) cua dung cong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - ((((lanh manh) or (van manh))) or (lanh tranh)) cua dung cong tinh toan tap*.