Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
nang mai » nang ma, nang tai, lang mai
dua tren » dung tren
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
va phan » van phan, va phat, va phap
ve phan » ke phan, ve phat, vi phan
mai hoi » mai khoi, dai hoi, lai hoi
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang

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 y nang mai hoi. hieu ((ve phan) OR (va phan)) duc va thanh lai ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang mai hoi. hieu ((ve phan) OR (va phan)) duc va thanh lai ((dua tren) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang mai hoi. hieu ((ve phan) OR (va phan)) duc va thanh lai ((dua tren) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang mai hoi. hieu ((ve phan) OR (va phan)) duc va thanh lai ((dua tren) or (cuu tre))*.