Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
cong ngang » cong nhan, cong lang, cong nong
cong quang » luong quang, thong quang, duong quang
thanh chau » thanh cha, thanh cham, thanh chu
hoc thieu » toc thieu, hoc hien
va phong » van phong, va phuong, va thong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - ((hanh trang) or (hanh trinh)) va phong ((cong ngang) OR (cong quang)) thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((hanh trang) OR (hanh trinh)) va phong ((cong ngang) OR (cong quang)) thanh chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((hanh trang) or (hanh trinh)) va phong ((cong ngang) OR (cong quang)) thanh chau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((hanh trang) or (hanh trinh)) va phong ((cong ngang) OR (cong quang)) thanh chau*.