Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
dung tren » dung trong, dung trung
nang dai » nang dau, nang tai, lang dai
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
vu kham » vu khanh
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
vu cham » va cham, tu cham, qua cham
dai hai » dai han, dai hoi, dai tai
ty nang » ky nang, ty xang, ty hang

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 ty nang dai hai. hieu ((vu cham) OR (vu kham)) duc va thanh hai ((dung tren) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang dai hai. hieu ((vu cham) OR (vu kham)) duc va thanh hai ((dung tren) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang dai hai. hieu ((vu cham) OR (vu kham)) duc va thanh hai ((dung tren) or (cua tre))".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang dai hai. hieu ((vu cham) OR (vu kham)) duc va thanh hai ((dung tren) or (cua tre))*.