Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
van thanh » ban thanh, van tuan
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
lai cua » dai cua, hai cua, lai chau
dao duc » giao duc, tao duoc
cam duc » cam xuc, cao duc, pham duc
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
ly nang » ky nang, ly hang, ly vang
cua te » cua tu

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 va) OR (lieu va)) ((cam duc) or (dao duc)) van thanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang xa hoi. ((hieu va) OR (lieu va)) ((cam duc) OR (dao duc)) van thanh lai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly nang xa hoi. ((hieu va) OR (lieu va)) ((cam duc) or (dao duc)) van thanh lai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang xa hoi. ((hieu va) OR (lieu va)) ((cam duc) or (dao duc)) van thanh lai cua te*.