Perhaps you should try some spelling variations:
dau tieng » dau tien, cau tieng, day tieng
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
va cham » va chat, va tham
hanh va » hang va, hanh vi
sach o » sach lo, sac o, sach y
o lang » hoa lang, hoi lang
tuc va » thuc va, truc va, duc 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 o lang xa hoi. lieu va cham ((tuc va) or (tuc xa)) hanh va ((cau tren) or (dau tieng))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach o lang xa hoi. lieu va cham ((tuc va) OR (tuc xa)) hanh va ((cau tren) OR (dau tieng)).
• Adding a wildcard symbol may retrieve word variants: tu sach o lang xa hoi. lieu va cham ((tuc va) or (tuc xa)) hanh va ((cau tren) or (dau tieng))*.