Perhaps you should try some spelling variations:
tru nang » tra nang, tri nang, truc nano
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
xuc van » duc van, luc van, xuc ban
van cam » van nam, van lam, van cau
te sach » toc sach
tu lang » cu lang, tu lanh, xu lang
tu nang » tu nong, tu nano, vu nang
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((((tu nang) OR (tu lang))) or (tru nang)) xa hoi. hieu van cam xuc van hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((((tu nang) OR (tu lang))) OR (tru nang)) xa hoi. hieu van cam xuc van hanh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((((tu nang) OR (tu lang))) or (tru nang)) xa hoi. hieu van cam xuc van hanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((((tu nang) OR (tu lang))) or (tru nang)) xa hoi. hieu van cam xuc van hanh vi cuu tre*.