Perhaps you should try some spelling variations:
thu huong » thu cong
nang cam » nang cham, nang cao, nang cap
thu hang » thi hang, thuc hanh, thu trang
hanh vai » hanh vi, hanh va, hanh tai
thuc dan » thuc hanh, hoc dan, thuc vat
tu sach » thu sach, su sach, te sach
cu tren » tu tren, dua tren
ki nang » ky nang
xuc va » duc va, tuc va, luc va
vai cu » vai cua, van cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((thu hang) OR (thu huong)) xa hoi. ki nang cam ((xuc va) or (thuc dan)) hanh vai cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((thu hang) OR (thu huong)) xa hoi. ki nang cam ((xuc va) OR (thuc dan)) hanh vai cu tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((thu hang) OR (thu huong)) xa hoi. ki nang cam ((xuc va) or (thuc dan)) hanh vai cu tren".
• Adding a wildcard symbol may retrieve word variants: tu sach ((thu hang) OR (thu huong)) xa hoi. ki nang cam ((xuc va) or (thuc dan)) hanh vai cu tren*.