Perhaps you should try some spelling variations:
phat duc » pham duc, phan duc, phan duoc
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
vi ve » va ve, ve ve, vi he
gi ve » gia ve, gi de, gi he

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang ma hoi. lieu va phat duc va thanh ((vi ve) or (gi ve)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ma hoi. lieu va phat duc va thanh ((vi ve) OR (gi ve)) triet.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ma hoi. lieu va phat duc va thanh ((vi ve) or (gi ve)) triet*.