Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
lai cho » lai chau, bai choi, lai cuoc
va cham » va chat, va tham
cho tre » cho thue, khoe tre
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
co hoi » co hoc, co loi
luc va » duc va, tuc va, loc va
va cam » va cac, va cao, va cai

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 ((ty nang) OR (ty hang)) co hoi. hieu ((va cam) or (va cham)) luc va thanh lai cho tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ty nang) OR (ty hang)) co hoi. hieu ((va cam) OR (va cham)) luc va thanh lai cho tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((ty nang) OR (ty hang)) co hoi. hieu ((va cam) or (va cham)) luc va thanh lai cho tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ((ty nang) OR (ty hang)) co hoi. hieu ((va cam) or (va cham)) luc va thanh lai cho tre*.