Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
hang di » hang doi, hang vi, hang dien
ly nang » ky nang, ly hang, ly vang
va hang » van hang, va nang, va lang
di cua » dai cua, doi cua, de cua
tuc va » thuc va, truc va, tuc xa
cua te » cua tu
va cao » va cac, va co, va dao
y nang » ky nang, v nang, may nang
ve cai » va cai, ve cac, ve tai

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 ((y nang) or (ly nang)) xa hoi. hieu ((ve cai) or (va cao)) tuc va hang di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ly nang)) xa hoi. hieu ((ve cai) OR (va cao)) tuc va hang di cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (ly nang)) xa hoi. hieu ((ve cai) or (va cao)) tuc va hang di cua te*.