Perhaps you should try some spelling variations:
tinh thai » sinh thai, tinh chat
cau treo » cau theo, cau triet, cau trieu
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
hang xa » hoang xa, hang va, hang ca
hieu ve » hieu va, hieu van
y hang » ly hang, ty hang, yu hang
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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 y hang xa hoi. hieu ve cam xuc va ((tinh thai) or (tinh toan)) ((cau treo) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y hang xa hoi. hieu ve cam xuc va ((tinh thai) OR (tinh toan)) ((cau treo) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y hang xa hoi. hieu ve cam xuc va ((tinh thai) or (tinh toan)) ((cau treo) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: tu sach y hang xa hoi. hieu ve cam xuc va ((tinh thai) or (tinh toan)) ((cau treo) OR (cau tren))*.