Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
thong cua » thong quan, thong tu, huong cua
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: ho chieu sach - hanh ((((dung cua) OR (dung cho))) or (thong cua)) nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((((dung cua) OR (dung cho))) OR (thong cua)) nhung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((((dung cua) OR (dung cho))) or (thong cua)) nhung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((((dung cua) OR (dung cho))) or (thong cua)) nhung cong tan toan cau*.