Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, ho chieu, mot chieu
hoang van » hang va
trinh va » trinh van, trinh vat, trinh ve
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 va nhung ((cong van) or (hoang van)) ban cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sach - hanh trinh va nhung ((cong van) OR (hoang van)) ban cao.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) sach - hanh trinh va nhung ((cong van) or (hoang van)) ban cao*.