Perhaps you should try some spelling variations:
thu nang » thi nang, thu hang, tho nang
thu bang » thu ban, thu hang, chu bang
te sach » toc sach
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tu, cac tac
lua tre » cua tre, luy tre, dua tren
xa don » xa dong, la don, ba don
vi lua » vi luu

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 va cac tuc xa don vi lua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thu nang) OR (thu bang)) xa hoi. hieu va cac tuc xa don vi lua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((thu nang) OR (thu bang)) xa hoi. hieu va cac tuc xa don vi lua tre*.