Perhaps you should try some spelling variations:
dat trong » dot trong, vat trong, cay trong
dat tren » dua tren
tinh vai » tinh va, tinh hai, tinh bai
toc sach » hoc sach, doc sach, thuoc sach
van cam » van nam, van lam, van dam
sach ly » sach y, sach lo, sach ty
va tinh » may tinh
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
van cau » van dau, van hau, van chat

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ly nang xa hoi. hieu ((van cam) OR (van cau)) tu va tinh vai ((dat tren) OR (dat trong))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ly nang xa hoi. hieu ((van cam) or (van cau)) tu va tinh vai ((dat tren) OR (dat trong))~".
• Adding a wildcard symbol may retrieve word variants: toc sach ly nang xa hoi. hieu ((van cam) or (van cau)) tu va tinh vai ((dat tren) OR (dat trong))*.