Perhaps you should try some spelling variations:
nang pham » nang phat, nang phan, hang pham
thi nang » thi cong, ki nang, thi hanh
mai hoi » mai khoi, dai hoi, lai hoi
ma hoi » xa hoi, ma hoa, me hoi
sac ky » cac ky, sai ky
va dau » va dao
di cau » diem cau
da cau » dat cau, va cau
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang ((ma hoi) OR (mai hoi)). thi nang pham duc va dau ((di cau) or (da cau)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang ((ma hoi) OR (mai hoi)). thi nang pham duc va dau ((di cau) OR (da cau)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang ((ma hoi) OR (mai hoi)). thi nang pham duc va dau ((di cau) or (da cau)) tre".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ((ma hoi) OR (mai hoi)). thi nang pham duc va dau ((di cau) or (da cau)) tre*.