Perhaps you should try some spelling variations:
thuat lanh » thuat san
thuat lap » thuat xay, thuat bai, thuat bao
van hang » van khang, van hoang, van thang
va hang » va nang, va lang, va hanh
cam loc » cam lo
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
y nang » ky nang, ly nang, v nang
va cua » va chua, via cua, ca cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat lanh) or (thuat lap)) y nang x hoi. hieu ve cam loc ((va hang) OR (van hang)) va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat lanh) OR (thuat lap)) y nang x hoi. hieu ve cam loc ((va hang) OR (van hang)) va cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat lanh) or (thuat lap)) y nang x hoi. hieu ve cam loc ((va hang) OR (van hang)) va cua tre*".