Perhaps you should try some spelling variations:
pham huu » pham duc, pham duy, phan huy
van hanh » van thanh, ban hanh, van anh
hanh gia » danh gia, thanh gian, hinh giao
ve triet » va trien, su triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, dieu vu
hieu su » hieu sau, tieu su, hieu so
huu van » cuu van, huu han, luu van
gia ve » gian ve, gia va, gia viet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. ((hieu vu) or (hieu su)) pham huu van hanh gia ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. ((hieu vu) OR (hieu su)) pham huu van hanh gia ve triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. ((hieu vu) or (hieu su)) pham huu van hanh gia ve triet*.