Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu
luat bang » luat ban, luat bong, luat quang
bang cong » dang cong, bang song, hang cong
toan cau » 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: ((hoc thieu) or (hoc hien)) sach - ((hanh trinh) OR (canh tranh)) luat bang cong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) sach - ((hanh trinh) OR (canh tranh)) luat bang cong thanh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) sach - ((hanh trinh) OR (canh tranh)) luat bang cong thanh toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) sach - ((hanh trinh) OR (canh tranh)) luat bang cong thanh toan cau*.