Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
lanh manh » lan anh, van manh, anh anh
cong tinh » cong trinh, long tinh, cong thanh
cong vinh » cong trinh, trong vinh, cong viec
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
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 chu xanh - ((lanh manh) or (lanh tranh)) cua dung ((cong tinh) OR (cong vinh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((lanh manh) OR (lanh tranh)) cua dung ((cong tinh) OR (cong vinh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((lanh manh) or (lanh tranh)) cua dung ((cong tinh) OR (cong vinh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((lanh manh) or (lanh tranh)) cua dung ((cong tinh) OR (cong vinh)) toan tap*.