Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
doi cua » dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
cua cuc » cua cac, cua cu, cua duc
tu sach » thu sach, su sach, te sach
ly vang » ly van, ly quang
ly hang » ly quang
cuc va » chuc va, duc va, cuu va
di cua » dai cua, de cua, do cua

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 ((ly hang) or (ly vang)) xa hoi. hieu viec cua cuc va hanh ((di cua) OR (doi cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ly hang) OR (ly vang)) xa hoi. hieu viec cua cuc va hanh ((di cua) OR (doi cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ly hang) or (ly vang)) xa hoi. hieu viec cua cuc va hanh ((di cua) OR (doi cua)) te".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ly hang) or (ly vang)) xa hoi. hieu viec cua cuc va hanh ((di cua) OR (doi cua)) te*.