Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
cham luc » cham soc, nhan luc, cham cuu
tu trong » tu tuong, tu tieng
mai hoi » mai khoi, dai hoi, lai hoi
ly nang » ky nang, ly hang, ly vang
luc van » luoc van, luu van, duc van
tu tren » tu truyen, tu tieng, dua tren
va cham » va chat, va tham
y nang » ky nang, v nang, may nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat san ((y nang) or (ly nang)) mai hoi. lieu va cham luc van thanh vi ((tu tren) OR (tu trong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ((y nang) OR (ly nang)) mai hoi. lieu va cham luc van thanh vi ((tu tren) OR (tu trong)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san ((y nang) or (ly nang)) mai hoi. lieu va cham luc van thanh vi ((tu tren) OR (tu trong))".
• Adding a wildcard symbol may retrieve word variants: thuat san ((y nang) or (ly nang)) mai hoi. lieu va cham luc van thanh vi ((tu tren) OR (tu trong))*.