Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
tai khoa » da khoa, noi khoa
thanh va » thanh van, hanh va, thanh ha
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
cua duc » cua tuc, cua nuoc, cua quoc
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang ((mai hoi) or (tai khoa)). hieu va cam xuc van thanh va ((cua duc) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ((mai hoi) OR (tai khoa)). hieu va cam xuc van thanh va ((cua duc) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ((mai hoi) or (tai khoa)). hieu va cam xuc van thanh va ((cua duc) or (cua tu))*.