Perhaps you should try some spelling variations:
thanh dam » thanh dat, thanh nam, thanh tam
vu khach » vu khanh, vu khac, vay khach
va thanh » gia thanh, ban thanh, va tinh
dam cua » dai cua, day cua, nam cua
cac luc » cau luc, coc luc, cac nuoc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
so sach » so sanh, bo sach, co sach
su sach » vu sach
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc 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 khach) or (((su sach) OR (so sach)))) ly nang xa hoi. hieu ve cac luc va thanh dam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu khach) OR (((su sach) OR (so sach)))) ly nang xa hoi. hieu ve cac luc va thanh dam cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu khach) or (((su sach) OR (so sach)))) ly nang xa hoi. hieu ve cac luc va thanh dam cua tre".
• Adding a wildcard symbol may retrieve word variants: ((vu khach) or (((su sach) OR (so sach)))) ly nang xa hoi. hieu ve cac luc va thanh dam cua tre*.