Perhaps you should try some spelling variations:
xuan truong » xa truong, duong truong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhanh mang » nhanh lang, hanh mang, nhanh thang
cua truong » cua trung, cac truong, xa truong
cong tan » cong tac, cong san, cong thanh
tan quan » tang quan, toan quan, van quan
quan lap » quan luan, quang lam, quan lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((nhanh mang) OR (nhanh quang)) ((cua truong) or (xuan truong)) cong tan quan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((nhanh mang) OR (nhanh quang)) ((cua truong) OR (xuan truong)) cong tan quan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((nhanh mang) OR (nhanh quang)) ((cua truong) or (xuan truong)) cong tan quan lap".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((nhanh mang) OR (nhanh quang)) ((cua truong) or (xuan truong)) cong tan quan lap*.