Perhaps you should try some spelling variations:
tran dang » tran quang, tran hoang, tranh hang
tuan dang » tuan bang, tuan dung, tuan duong
cham duc » pham duc, cham soc, pham duy
thi cua » thai cua, thi cuc, tri cua
cua tre » cua te, cuu tre, cua triet
va cham » va chat, va tham
hieu va » lieu va, hieu qua
dang xa » dang xay, lang xa, dang ha
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 hoi. hieu va cham duc ((tuan dang) OR (tran 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 hoi. hieu va cham duc ((tuan dang) OR (tran 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 hoi. hieu va cham duc ((tuan dang) OR (tran dang)) thi cua tre".
• Adding a wildcard symbol may retrieve word variants: su ((sai ky) or (dai ly)) dang xa hoi. hieu va cham duc ((tuan dang) OR (tran dang)) thi cua tre*.