Perhaps you should try some spelling variations:
chiet tach » chieu sach
lanh tranh » canh tranh, lan tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
doi chiet » doi chieu, doi chi, doi viet
lanh manh » van manh, anh anh, lan oanh
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan cac » nhan cach, phan dau, phan lap
lan anh » van anh, tuan anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chiet tach - ((((lanh manh) OR (lan anh))) or (lanh tranh)) va nhung cong van phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - ((((lanh manh) OR (lan anh))) OR (lanh tranh)) va nhung cong van phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chiet tach - ((((lanh manh) OR (lan anh))) or (lanh tranh)) va nhung cong van phan cac".
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - ((((lanh manh) OR (lan anh))) or (lanh tranh)) va nhung cong van phan cac*.