Perhaps you should try some spelling variations:
sach thue » sach thieu, sach tham, cach thuc
hieu viec » nhieu viec, hieu ve, sieu viet
sach thu » sach thieu, sach tham, cach thuc
danh voi » hanh voi, lanh voi, hanh vi
sang ma » tang ma, nang ma, sang tao
viec da » viec dat, vien da, viec va
va danh » va dinh, va dan, va hanh
so viet » hoc viet
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va
voi so » noi so, voi ho, hoi so

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach thu) OR (sach thue)) sang ma hoi. hieu viec da xuc va danh voi so viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach thu) OR (sach thue)) sang ma hoi. hieu viec da xuc va danh voi so viet".
• Adding a wildcard symbol may retrieve word variants: te ((sach thu) OR (sach thue)) sang ma hoi. hieu viec da xuc va danh voi so viet*.