Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
cua trong » cua truong, cua trung, qua trong
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
toan tai » toan tap, doanh tai, toan ban
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: ((ho chieu) or (theo tieu)) sach - thanh dung cua trong cong tan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) sach - thanh dung cua trong cong tan ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) sach - thanh dung cua trong cong tan ((toan tai) or (toan cao))*.