Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hoang van » hang va
lang van » dang van, tang van, giang van
thanh vi » hanh vi, thanh va, thanh ve
thi lan » thi hanh, thi nang, thi lien
lan cac » dan cac, lan dac, gian cac
cac tuc » cac toc, cac tu, cac tac
tuc ban » thuc ban, truc ban, tu ban
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky ((lang van) OR (hoang van)) hoe. thi lan cac tuc ban thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky ((lang van) OR (hoang van)) hoe. thi lan cac tuc ban thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky ((lang van) OR (hoang van)) hoe. thi lan cac tuc ban thanh vi cua tre*.