Perhaps you should try some spelling variations:
duong truong » duong trong, truong trung, tang truong
dong truong » dong trong, dong thuong, dong trung
hanh dung » thanh dung, anh dung, hanh dong
dang toan » dang tran, dan toan, dung toan
dung cua » dung luan, dung cho
toan ban » van ban
chu van » cuu van, chu han

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((ho manh) or (chu van)) - hanh dung cua ((dong truong) OR (duong truong)) dang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((ho manh) OR (chu van)) - hanh dung cua ((dong truong) OR (duong truong)) dang toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((ho manh) or (chu van)) - hanh dung cua ((dong truong) OR (duong truong)) dang toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((ho manh) or (chu van)) - hanh dung cua ((dong truong) OR (duong truong)) dang toan ban*.