Perhaps you should try some spelling variations:
pham duy » pham duc
qua pham » quan pham, quy pham, qua cham
thanh va » thanh van, hanh va, thanh ha
va thanh » gia thanh, ban thanh, va tinh
chua te » cua te, chua xe, chuan ted
tu sach » thu sach, su sach, te sach
ly nang » ky nang, ly hang, ly vang
chua tu » chu tu, cua tu, chua cu
y nang » ky nang, v nang, may nang
duy va » duy vat, duy van, day va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((y nang) or (ly nang)) xa hoi. hieu qua pham duy va thanh va ((chua te) OR (chua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ly nang)) xa hoi. hieu qua pham duy va thanh va ((chua te) OR (chua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) or (ly nang)) xa hoi. hieu qua pham duy va thanh va ((chua te) OR (chua tu))".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (ly nang)) xa hoi. hieu qua pham duy va thanh va ((chua te) OR (chua tu))*.