Perhaps you should try some spelling variations:
tuan dang » tran dang, tuan bang, tuan dung
dang thi » hoang thi, dang khoi
duc tuan » duc thuan, duc tan, duc toan
cham duc » pham duc, cham soc, pham duy
dang xay » dang van, van xay
cua tre » cua te, cuu tre, cua triet
thi cua » thai cua, thi cuc, tri cua
va cham » va chat, va tham
hieu va » lieu va, hieu qua
dang xa » lang xa, dang ha, dang va
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sai ky) or (dai ly)) ((dang xa) OR (dang xay)) hoi. hieu va cham duc tuan dang thi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sai ky) OR (dai ly)) ((dang xa) OR (dang xay)) hoi. hieu va cham duc tuan dang thi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sai ky) or (dai ly)) ((dang xa) OR (dang xay)) hoi. hieu va cham duc tuan dang thi cua tre".
• Adding a wildcard symbol may retrieve word variants: su ((sai ky) or (dai ly)) ((dang xa) OR (dang xay)) hoi. hieu va cham duc tuan dang thi cua tre*.