Perhaps you should try some spelling variations:
pham duy » pham duc
thi hanh » thi thanh
cham duc » pham duc, cham soc, phan duc
sinh su » dinh su, sinh tu, tinh su
va danh » va dinh, va dan, va hanh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. thi hanh ((cham duc) OR (pham duy)) va danh ((sinh su) OR (hinh su)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. thi hanh ((cham duc) or (pham duy)) va danh ((sinh su) OR (hinh su)) triet~".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. thi hanh ((cham duc) or (pham duy)) va danh ((sinh su) OR (hinh su)) triet*.