Perhaps you should try some spelling variations:
cua truong » xuan truong, cac truong, xa truong
hoc thieu » hoc hien
canh manh » lanh manh, canh tranh, cach mang
cua trung » xuan trung, cua nhung, ba trung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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) or (toc thieu)) tinh - canh manh ((cua truong) OR (cua trung)) cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) tinh - canh manh ((cua truong) OR (cua trung)) cong van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (toc thieu)) tinh - canh manh ((cua truong) OR (cua trung)) cong van toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) tinh - canh manh ((cua truong) OR (cua trung)) cong van toan ban*.