Perhaps you should try some spelling variations:
thuat lap » thuat lanh, thuat xay, thuat bai
hieu van » hieu va, thien van, lieu va
pham tai » pham thi, pham van
dua tren » dung tren
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van dau » van dao, phan dau
dau luc » cau luc, dau luan, dau nuoc
va pham » van pham, va phat, va phap
lap ky » lap ke, tap ky, lap ly
luc va » duc va, tuc va, loc va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lap ky lang xa hoi. hieu van dau luc va pham tai ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lap ky lang xa hoi. hieu van dau luc va pham tai ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: thuat lap ky lang xa hoi. hieu van dau luc va pham tai ((dua tren) or (cua te))*.