Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
thu sach » tu sach, thuat sach, thuoc sach
viec cac » vien cac, viec cua, viec lam
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
cac bac » cac bai, cac ban, cac cach
long ha » dong ha, cong ha, dong hoa
bac va » ban va, bac ha, bao va
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: thu sach ky nang ma hoa. nhieu viec cac bac va ((lang ha) OR (long ha)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang ma hoa. nhieu viec cac bac va ((lang ha) OR (long ha)) cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang ma hoa. nhieu viec cac bac va ((lang ha) OR (long ha)) cua te*.