Perhaps you should try some spelling variations:
mot chieu » doi chieu
tranh cua » doanh cua, manh cua
trong dan » trong dang, trong san, trong tan
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
toan tai » toan tap, doanh tai, toan cao
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: ((ho chieu) or (mot chieu)) tinh - canh tranh cua dung trong dan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (mot chieu)) tinh - canh tranh cua dung trong dan ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (mot chieu)) tinh - canh tranh cua dung trong dan ((toan tai) or (toan ban))*.