Perhaps you should try some spelling variations:
"ky nang cho phan gian dan" » "ky nang cho phan giai dan", "ky nang cho phan giay dan", "ky nang cho phan gia dan", "ky nang chon phan gian dan", "ky ngang cho phan gian dan", "ky nang cao phan gian dan", "ky nang co phan gian dan", "ky nang hoc phan gian dan", "ky nang hoa phan gian dan", "ky nang cho phan gian lang"
"tin dung dat van thi van" » "tin dung va van thi van", "tin dung tai van thi van", "tin dung dao van thi van", "tin dung dat va thi van", "tin dung dam van thi van", "tin dung dat van tai van", "tin dung dat dan thi van", "tin dung dat van thu van", "tin dung dat van thi lan", "tin dung dat van thi hanh", "tin dung dat van thi nang", "tinh dung dat van thi van"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("tin dung dat van thi van") or ("ky nang cho phan gian dan"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("tin dung dat van thi van") OR ("ky nang cho phan gian dan"))*.
• Removing quotes may allow a broader search: (( tin dung dat van thi van ) or ( ky nang cho phan gian dan ))*.