Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
minh thanh » dinh thanh, tinh thanh, hinh thanh
vien cac » vien bach, vien dai, vien da
thai cua » than cua, tai cuc, tri cua
duc minh » duc anh
cua tre » cua te, cuu tre, cua triet
tang xa » trang xa, tang ma, lang xa
sac ky » cac ky
ve cac » va cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sac ky) or (sai ky)) tang xa hoi. hieu ((ve cac) OR (vien cac)) duc minh thanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (sai ky)) tang xa hoi. hieu ((ve cac) OR (vien cac)) duc minh thanh thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sac ky) or (sai ky)) tang xa hoi. hieu ((ve cac) OR (vien cac)) duc minh thanh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) or (sai ky)) tang xa hoi. hieu ((ve cac) OR (vien cac)) duc minh thanh thai cua tre*.