Perhaps you should try some spelling variations:
thuoc dang » thuoc dung, thuoc khang, thuc dan
hieu vien » hieu hien, hieu viec, thieu nien
tuoc tang » tuc tang, quoc thang, thuoc bang
tich cac » tich va, tich bao
ky danh » ky anh, ky dang
danh xa » danh ca, dinh xa, canh xa
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tich cac ky danh xa hoi. hieu vien bach ((tuoc tang) OR (thuoc dang)) hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tich cac ky danh xa hoi. hieu vien bach ((tuoc tang) OR (thuoc dang)) hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tich cac ky danh xa hoi. hieu vien bach ((tuoc tang) OR (thuoc dang)) hanh vi cua tre*.