Perhaps you should try some spelling variations:
dang xay » dang van, van xay
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
cua tre » cuu tre, cua triet, dua tren
xay hoi » xa hoi, tay hoi, cay phoi
thi van » thi lan, thi hanh, thi nang
nam xuc » cam xuc, nam thuc, nam duoc
nam xua » nam cua, nam mua, nam qua
cua te » cua tu
o dang » xo dang, do dang, so dang
sach o » sach lo, sac o, sach y

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 o dang xay hoi. thi van ((nam xuc) or (nam xua)) van hanh vi ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach o dang xay hoi. thi van ((nam xuc) OR (nam xua)) van hanh vi ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach o dang xay hoi. thi van ((nam xuc) or (nam xua)) van hanh vi ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach o dang xay hoi. thi van ((nam xuc) or (nam xua)) van hanh vi ((cua tre) OR (cua te))*.