Perhaps you should try some spelling variations:
tinh thai » sinh thai, tinh toan, tinh chat
tac quang » thac quang, tac quan, tai quang
trinh han » trinh quan
tinh hai » tinh chat, thanh hai, tinh than
sach tac » sach bac, sach tai, sach tham
quang xa » quan xa, quang ma, quang va
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach tac quang xa hoi. hieu ve cam xuc va ((tinh hai) or (((trinh han) or (tinh thai)))) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tac quang xa hoi. hieu ve cam xuc va ((tinh hai) OR (((trinh han) OR (tinh thai)))) cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach tac quang xa hoi. hieu ve cam xuc va ((tinh hai) or (((trinh han) or (tinh thai)))) cuu tre*.