Perhaps you should try some spelling variations:
thanh dam » thanh dat, thanh nam, thanh tam
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
dam cua » dai cua, day cua, nam cua
cac loc » cac lop, cac toc, cac hoc
hieu ve » hieu va, hieu van
ly vang » ly hang, ly van, ly quang
ly nang » ky nang, ly hang, ly quang
so sach » so sanh, bo sach, co sach
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
loc va » hoc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (so sach)) ((ly nang) OR (ly vang)) xa hoi. hieu ve cac loc va thanh dam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (so sach)) ((ly nang) OR (ly vang)) xa hoi. hieu ve cac loc va thanh dam cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) or (so sach)) ((ly nang) OR (ly vang)) xa hoi. hieu ve cac loc va thanh dam cua tre".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (so sach)) ((ly nang) OR (ly vang)) xa hoi. hieu ve cac loc va thanh dam cua tre*.