Perhaps you should try some spelling variations:
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
qua bau » qua ban, qua dau, qua lau
luu van » cuu van, luan van, luu hanh
van anh » van thanh, tuan anh, van minh
vi cua » vai cua, di cua
de cua » te cua, dieu cua
le cua » ly cua

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 qua bau luu van anh ((vi cua) or (((de cua) or (le cua)))) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang xa hoi. hieu qua bau luu van anh ((vi cua) OR (((de cua) OR (le cua)))) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang xa hoi. hieu qua bau luu van anh ((vi cua) or (((de cua) or (le cua)))) tre*.