Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
chua tre » chua tri, cua tre, chua trieu
viec cac » vien cac, viec cua, viec lam
va chua » vua chua, ca chua, va chu
va hang » van hang, va nang, va lang
cac tac » cac toc, cac bac, cac dac
tu sach » thu sach, su sach, te sach
nang ma » sang ma, nang cao
sach lo » sach dao, sach doi, sach hoi
tang ma » tang van
tac va » tac da, tac xa, tuc va

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 lo ((((nang ma) OR (mang may))) or (tang ma)) hoa. hieu viec cac tac va hang va chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach lo ((((nang ma) OR (mang may))) OR (tang ma)) hoa. hieu viec cac tac va hang va chua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach lo ((((nang ma) OR (mang may))) or (tang ma)) hoa. hieu viec cac tac va hang va chua tre*".