Perhaps you should try some spelling variations:
thuat lap » thuat lanh, thuat xay, thuat bai
pham tai » pham thi, pham van
dua tren » dung tren
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
dau luc » cau luc, dau luan, dau nuoc
va pham » van pham, va phat, va phap
va dau » va dao
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) OR (ky dang)) xa hoi. lieu va 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) OR (ky dang)) xa hoi. lieu va dau luc va pham tai ((dua tren) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lap ((ky lang) OR (ky dang)) xa hoi. lieu va dau luc va pham tai ((dua tren) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: thuat lap ((ky lang) OR (ky dang)) xa hoi. lieu va dau luc va pham tai ((dua tren) or (cua te))*.