Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
thien van » thi van
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
bao luc » bao thuc
luc tan » luc tai, duc tan, luc tam
san cua » sang cua, ban cua, dan cua
cua tre » cua te, cuu tre, cua triet
x hoi » xa hoi, o hoi, x ho

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 x hoi. ((hieu ve) or (thien van)) bao luc tan thanh san cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang x hoi. ((hieu ve) OR (thien van)) bao luc tan thanh san cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang x hoi. ((hieu ve) or (thien van)) bao luc tan thanh san cua tre*.