Perhaps you should try some spelling variations:
thiet nang » nhiet nang, thien nang, thi nang
chua dong » cua dong, ha dong, huy dong
ho thiet » hoc thiet, hoa thiet, so thiet
qua dung » quang dung, su dung, qua song
song van » hoang van, trong van, duong van
toan tai » doanh tai, toan ban, toan cao
toan tap » toan 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 thiet nang - canh tranh ((qua dung) or (chua dong)) song van ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet nang - canh tranh ((qua dung) OR (chua dong)) song van ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho thiet nang - canh tranh ((qua dung) or (chua dong)) song van ((toan tai) or (toan tap))*.