Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec cam » viec lam, viec cua, viec va
thu sach » thuat sach, thuoc sach, thu hoach
tay lang » tai lang, tay tang, tay quang
va danh » va dinh, va dan, va hanh
cam luc » cam xuc, cau luc
tu sach » su sach, te sach, tu cach
lang xa » lang ha, dang xay, lang van
luc va » duc va, tuc va, loc va
di cua » doi 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) OR (thu sach)) tay lang xa hoi. hieu viec cam luc va danh ((di cua) or (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) tay lang xa hoi. hieu viec cam luc va danh ((di cua) OR (dai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) tay lang xa hoi. hieu viec cam luc va danh ((di cua) or (dai cua)) te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) tay lang xa hoi. hieu viec cam luc va danh ((di cua) or (dai cua)) te*.