Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
chat huu » pham huu
thanh gi » thanh nghi, thanh gian, thanh hai
ve triet » va trien, su triet
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
hieu vu » hieu ve, hieu su, dieu vu
hieu va » lieu va, hieu qua
huu van » cuu van, huu han, luu van
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: tu sach ly nang xa hoi. ((hieu vu) or (hieu va)) chat huu van thanh gi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang xa hoi. ((hieu vu) OR (hieu va)) chat huu van thanh gi ve triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang xa hoi. ((hieu vu) or (hieu va)) chat huu van thanh gi ve triet*.