Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
tu sach » thu sach, su sach, tu cach
ly vang » ly hang, ly van, ly quang
hang di » hang doi, hang vi, hang dien
va hang » van hang, va nang, va lang
cua xuc » cua duc, cua tuc, cua cuc
ly nang » ky nang, ly hang, ly quang
te sach » toc sach
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua
cua te » cua tu

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