Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, ho chieu, mot chieu
trinh vat » trinh van, trinh luat, sinh vat
trinh ve » trinh he, trinh va, trinh vi
cong van » cong vang, cong san, song van
doi chi » doi khi
ban cao » bao cao, ban can, ban co

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doi chi)) sach - hanh ((trinh vat) or (trinh ve)) nhung cong van ban cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sach - hanh ((trinh vat) OR (trinh ve)) nhung cong van ban cao.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) sach - hanh ((trinh vat) or (trinh ve)) nhung cong van ban cao*.