Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
thu sach » tu sach, thuat sach, thuoc sach
sang cua » song cua, hang cua, tang cua
mang cua » manh cua, dung cua, ban cua
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac duc » cac du, cao duc, cac dac

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang xa hoi. hieu va cac duc tan thanh ((sang cua) or (mang cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang xa hoi. hieu va cac duc tan thanh ((sang cua) OR (mang cua)) te.
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang xa hoi. hieu va cac duc tan thanh ((sang cua) or (mang cua)) te*.