Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh va » thanh van, hanh va, thanh ha
dang xay » dang van, van xay
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
luy tre » luyen tre
va luy » va duy, va ly, va luyen

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) or (thu hoach)) ky dang xay hoi. ((hieu ve) or (lieu va)) cac xuc van thanh va luy tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu hoach)) ky dang xay hoi. ((hieu ve) OR (lieu va)) cac xuc van thanh va luy tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu hoach)) ky dang xay hoi. ((hieu ve) or (lieu va)) cac xuc van thanh va luy tre*.