Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
luat dang » luat dan, luat danh, luat doanh
dang cong » dung cong
theo thu » theo chu, theo tu, theo tieu
thu bang » thu ban, thu hang, chu bang
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo thu bang - ((hanh trinh) OR (canh tranh)) luat dang cong tap toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo thu bang - ((hanh trinh) OR (canh tranh)) luat dang cong tap toan cao".
• Adding a wildcard symbol may retrieve word variants: theo thu bang - ((hanh trinh) OR (canh tranh)) luat dang cong tap toan cao*.