Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong ca » truong cao, trong ca, truong dai
truong va » truong dai, truong cao, truong dao
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
trung ca » trung cap, trung cua, trung can
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 - thanh ((trung ca) or (((truong ca) OR (truong va)))) dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung ca) OR (((truong ca) OR (truong va)))) dung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung ca) or (((truong ca) OR (truong va)))) dung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung ca) or (((truong ca) OR (truong va)))) dung cong tan toan cau*.