Perhaps you should try some spelling variations:
thien van » thi van
hanh va » hang va, hanh vi
danh va » doanh va, anh va, dan va
nam duc » nam duoc, pham duc, nam thuc
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
dang xa » dang xay, dang ha, dang va
sac ky » cac ky, sai ky
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky ((dang xa) OR (lang xa)) hoi. thien van nam duc va ((danh va) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((dang xa) OR (lang xa)) hoi. thien van nam duc va ((danh va) OR (hanh va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky ((dang xa) OR (lang xa)) hoi. thien van nam duc va ((danh va) or (hanh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sac ky ((dang xa) OR (lang xa)) hoi. thien van nam duc va ((danh va) or (hanh va)) cua tre*.