Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
cau tren » cu tren, dau tren, ca tren
dua tren » dung tren
nang mai » nang ma, nang tai, lang mai
cham xuc » cam xuc, chat xuc, cham soc
xuc gia » duc gia, luc gia, tuc gia
te sach » toc sach
sach ty » sach y, sach tu, sach thu
hieu ve » hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ty nang » ky nang, ty xang, ty hang
hieu va » lieu va, hieu qua

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