Perhaps you should try some spelling variations:
hanh trinh » canh tranh
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
luan bang » luan nang, luan ban, luan tang
bang cong » dang cong, bang song, hang cong
toan cao » toan ban, toan tap
theo te » theo tu, theo tieu, theo yeu
te sach » toc sach

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

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