Perhaps you should try some spelling variations:
thuong doi » huong doi, tuong doi, thuong dong
so sanh » do sanh
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
tuc va » thuc va, truc va, duc va
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ((ty nang) OR (ty hang)) xa hoi. hieu ve cam ((tuc va) or (tuc xa)) thuong doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ((ty nang) OR (ty hang)) xa hoi. hieu ve cam ((tuc va) OR (tuc xa)) thuong doi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ((ty nang) OR (ty hang)) xa hoi. hieu ve cam ((tuc va) or (tuc xa)) thuong doi cua tre".
• Adding a wildcard symbol may retrieve word variants: so sanh ((ty nang) OR (ty hang)) xa hoi. hieu ve cam ((tuc va) or (tuc xa)) thuong doi cua tre*.