Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh vet » trinh viet, trinh vat, trinh ven
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
trinh ve » trinh he, trinh va, trinh vi
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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 ((trinh ve) or (trinh vet)) ((hang cong) or (bang cong)) tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((trinh ve) OR (trinh vet)) ((hang cong) OR (bang cong)) tan toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((trinh ve) or (trinh vet)) ((hang cong) or (bang cong)) tan toan tap*.