Perhaps you should try some spelling variations:
te sach » toc sach
hanh di » hanh de, hang di, danh di
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
xu lang » cu lang, xu dang, xu quang
tu lang » cu lang, tu lanh, tu quang
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi

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 lang) OR (xu lang)) ha hoi. hieu va cac xuc van ((hanh di) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu lang) OR (xu lang)) ha hoi. hieu va cac xuc van ((hanh di) OR (hanh vi)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((tu lang) OR (xu lang)) ha hoi. hieu va cac xuc van ((hanh di) or (hanh vi)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((tu lang) OR (xu lang)) ha hoi. hieu va cac xuc van ((hanh di) or (hanh vi)) cua tre*.