Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, hang cong, nhung don
thong cong » tong cong, thong thong, phong chong
trinh van » trinh han, trinh quan, trinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
san ban » sang ban, van ban, can 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 van ((((nhung cong) OR (thong cong))) or (trong cong)) thanh san ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trinh van ((((nhung cong) OR (thong cong))) OR (trong cong)) thanh san ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trinh van ((((nhung cong) OR (thong cong))) or (trong cong)) thanh san ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh van ((((nhung cong) OR (thong cong))) or (trong cong)) thanh san ban*.