Perhaps you should try some spelling variations:
thien van » thi van
hanh de » hanh ve, hanh kem
hanh di » hanh vi, hang di, danh di
qua van » quan van, qua ban, qua san
nam qua » nam quan, nam cua, nam mua
te sach » toc sach
tu nano » truc nano
tu nang » tru nang, tu nong, tu lang
cua tre » cua te, cuu tre, cua triet
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu nang) OR (tu nano)) x hoi. thien van nam qua van ((hanh di) OR (hanh de)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((tu nang) OR (tu nano)) x hoi. thien van nam qua van ((hanh di) or (hanh de)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((tu nang) OR (tu nano)) x hoi. thien van nam qua van ((hanh di) or (hanh de)) cua tre*.