Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
danh vai » danh sai, danh va, doanh van
hieu van » hieu va, thien van, lieu va
thu bang » thu ban, thu hang, chu bang
thu nang » thi nang, thu hang, tho nang
van cam » van nam, van lam, van cau
va danh » va dinh, va dan, va hanh
cua tre » cuu tre, cua triet, dua tren
xuc va » duc va, tuc va, luc 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 ((thu nang) OR (thu bang)) xa hoi. hieu van cam xuc va danh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((thu nang) OR (thu bang)) xa hoi. hieu van cam xuc va danh vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((thu nang) OR (thu bang)) xa hoi. hieu van cam xuc va danh vai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: thu sach ((thu nang) OR (thu bang)) xa hoi. hieu van cam xuc va danh vai ((cua tre) or (cua te))*.