Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu
tranh van » tran van, trinh van, thanh van
dang cong » dung cong
van dang » van dong, van dung, van nang
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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 tranh van dang cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) sach - hanh tranh van dang cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) sach - hanh tranh van dang cong van toan ban*.