Perhaps you should try some spelling variations:
phai thong » phai tuong, phan thong, khai thuong
phap thong » phap phong, phap chong, pho thong
sach tren » sach tien, sach tranh
sinh hoat » sinh hoc, sinh vat
hoat phai » khoan phai, hoa phan, hoa thai
tuyen hoc » truyen hoc, tuyen hoi, tuyet hoc
thu sach » tu sach, thuat sach, thuoc sach
tren hoc » truyen hoc, trung hoc, triet hoc
han phap » hanh phap, phan phap, ban phap
thu tac » thu tuc, thi tac, thu tai
hoc cac » hoc cao
cac han » cac nhan, cac phan, cac dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu sach tren hoc sinh hoat phai thong ) or ( thu tac tuyen hoc cac han phap thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu sach tren hoc sinh hoat phai thong ) OR ( thu tac tuyen hoc cac han phap thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu sach tren hoc sinh hoat phai thong ) or ( thu tac tuyen hoc cac han phap thong ))*.