Perhaps you should try some spelling variations:
trong dang » truong dang, trong dan, trong dong
dong trong » duong trong, dung trong, cong trong
tranh van » tran van, trinh van, thanh van
dang toan » dang tran, dan toan, dung toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan tap » toan ban
doi chi » doi khi

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) or (doi chi)) tinh - canh tranh van dong trong dang toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) tinh - canh tranh van dong trong dang toan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) tinh - canh tranh van dong trong dang toan tap*.