Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
chao chu » cho chu, cua chu, cao cho
tranh va » trang va, trinh va, thanh va
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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: ((chao chu) or (hoc thieu)) sach - hanh ((tranh va) or (tranh van)) dung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((chao chu) OR (hoc thieu)) sach - hanh ((tranh va) OR (tranh van)) dung cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((chao chu) or (hoc thieu)) sach - hanh ((tranh va) or (tranh van)) dung cong tan toan cao*.