Perhaps you should try some spelling variations:
thu nang » thi nang, thu hang, tho nang
thu bang » thu ban, thu hang, chu bang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
van cac » van hac, van cau, van bac
xuc van » duc van, luc van, vuc van
vi cua » vai cua, di cua
cua cu » cua chu, cua cau, cua su

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