Perhaps you should try some spelling variations:
tiep tieng » tap tieng, tien tien, tiep trong
sach nuoc » sach duoc, cac nuoc, bach tuoc
hieu viec » nhieu viec, hieu ve, sieu viet
dinh di » dinh du, dinh vi, danh di
va dinh » van dinh, va kinh, va tinh
sach ly » sach y, sach lo, sach ty
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
cuu tre » cua tre, cau tren, cau treo
di cuu » di cau, di cua, dinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ly ((nang xa) OR (nang ma)) hoi. ((tiep tieng) or (hieu viec)) sach nuoc va dinh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly ((nang xa) OR (nang ma)) hoi. ((tiep tieng) OR (hieu viec)) sach nuoc va dinh di cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly ((nang xa) OR (nang ma)) hoi. ((tiep tieng) or (hieu viec)) sach nuoc va dinh di cuu tre".
• Adding a wildcard symbol may retrieve word variants: su sach ly ((nang xa) OR (nang ma)) hoi. ((tiep tieng) or (hieu viec)) sach nuoc va dinh di cuu tre*.