Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
nang mai » nang ma, nang tai, nang cai
cau tren » dau tren, ca tren, cau treo
thanh da » thanh dat, thanh dam, thanh dan
lang mai » lang dai, lang hai, lang man
soc gia » toc gia, hoc gia, so gia
so sach » so sanh, bo sach, co sach
cu tren » tu tren, dua tren

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y ((nang mai) OR (lang mai)) hoi. hieu van cham soc gia thanh da ((cau tren) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y ((nang mai) OR (lang mai)) hoi. hieu van cham soc gia thanh da ((cau tren) OR (cu tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y ((nang mai) OR (lang mai)) hoi. hieu van cham soc gia thanh da ((cau tren) or (cu tren))".
• Adding a wildcard symbol may retrieve word variants: so sach y ((nang mai) OR (lang mai)) hoi. hieu van cham soc gia thanh da ((cau tren) or (cu tren))*.