Perhaps you should try some spelling variations:
thanh le » thinh le, thanh ve, thanh de
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
loc van » luoc van, lo van, loc va
hoc van » hoc dan, hoc va, hoc vat
hanh le » hanh ve, hanh de, manh le
cuu tre » cua tre, cau tren, cau treo
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang ma hoa. hieu va phat ((loc van) or (hoc van)) ((hanh le) OR (thanh le)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang ma hoa. hieu va phat ((loc van) OR (hoc van)) ((hanh le) OR (thanh le)) cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang ma hoa. hieu va phat ((loc van) or (hoc van)) ((hanh le) OR (thanh le)) cuu tre*".